[CentOS] Suggest Hardware Raid Controller Card
John R Pierce
pierce at hogranch.com
Mon Jul 11 16:34:38 UTC 2011
On 07/11/11 9:30 AM, Drew wrote:
> Which is funny because Intel's SASUC8i (rebranded LSI3082E-R) is true
> hardware RAID which I recently picked up*new* for $150. They don't do
> RAID-5/6 or have a BBU but IMO you don't need a BBU for RAID-0/1/10.
you want BBU (or flash-backed cache) if you want write-back cache, and
not mandate write-through. This is quite independent of the RAID type.
It greatly speeds up 'committed' random writes such as are generated by
a transactional database.
--
john r pierce N 37, W 122
santa cruz ca mid-left coast
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